Skip to main content

GROUP ONE TRADING LLC

Position in ARDX — Ardelyx, Inc.

CIK 932540 CHICAGO, IL

Position in ARDX

as of Mar 31, 2026 · filed May 13, 2026
Position Value
$720,758
-$175,960 QoQ
Shares Held
120,327
-21.8% QoQ
Ownership
0.049%
of shares outstanding
% of Portfolio
0.03%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
19 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in ARDX Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Mar 31, 2026

GROUP ONE TRADING LLC holds $126,618,308 across 210 Biotechnology names. ARDX ranks #33 (0.6% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in ARDX

Export CSV
19 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $720,758 120,327
2025-12-31 $896,718 153,811
2025-09-30 $513,923 93,271
2025-06-30 $1,132,727 288,961
2025-03-31 $1,716,948 349,684
2024-12-31 $2,255,019 444,777
2024-09-30 $4,180,142 606,697
2024-06-30 $4,134,202 557,922
2023-12-31 $2,441,591 393,805
2023-09-30 $1,145,513 280,763
2023-06-30 $132,589 39,112
2022-09-30 $399,861 336,018
2022-06-30 $220,462 373,665
2022-03-31 $213,054 199,116
2021-12-31 $454,242 412,948
2021-09-30 $190,238 144,120
2021-06-30 $114,094 15,052
2020-06-30 $12,954 1,872
2020-03-31 $89,163 15,684